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Title: Magnetization and Mössbauer studies of Ni₃₋xCuxFe alloys in nano-crystalline state
Authors: Sharma, M P
Prashant, B L
Krishnamurthy, Anjali
Srivastava, Bipin K
Keywords: Mössbauer spectra;Nanoparticles;Ni₃₋xCuxFe alloys;Ferromagnetic
Issue Date: Oct-2007
Publisher: CSIR
IPC Code: G01J3/28, H01F 41/30
Abstract: The iron-nickel alloys, commonly known as permalloys, known for atomic disorder, have been studied due to their interesting magnetic properties. Nano-particle samples have been prepared for three compositions in the series Ni₃₋xCuxFe. ⁵⁷Fe Mössbauer studies are reported on the three nano-particle samples which are found to be ferromagnetic. The value of Tc goes down from 880K in N₃Fe to 800K in Ni₂CuFe. The introduction of Cu causes the saturation moment to decrease and lowering of temperature cause an increase in atomic disorder.
Page(s): 842-845
ISSN: 0019-5596
Appears in Collections:IJPAP Vol.45(10) [October 2007]

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